Siemens SM1223 Digital I/O, 16DI/16DO, transistor 0.5A

Product Overview

The SIMATIC S7-1200 Digital I/O Module SM 1223 delivers high-density digital signal processing with 16 inputs and 16 transistor outputs. Featuring 24V DC sink/source inputs and 0.5A transistor outputs, this module provides versatile digital control for industrial automation applications requiring high-speed switching and flexible sensor interfacing capabilities.

Key Features

• 16 Digital Inputs + 16 Transistor Outputs: Maximum I/O density with 24V DC sink/source inputs and 0.5A transistor outputs
• Sink/Source Input Compatibility: Universal input configuration supporting both NPN and PNP sensors with flexible wiring options
• Transistor Output Performance: 0.5A switching capacity with fast response times for LED indicators and medium-power loads
• High-Speed Digital Processing: Optimized for rapid signal switching with 0.2ms response time
• Compact High-Density Design: 70mm width with maximum 32-channel I/O capacity for efficient space utilization
• Comprehensive Diagnostics: Channel-specific status indication and advanced fault detection capabilities

Technical Specifications

• I/O Configuration: 16 DI (24V DC) + 16 DO (Transistor 0.5A)
• Dimensions: 70 × 100 × 75 mm (W × H × D) | Weight: 0.282 kg
• Input Voltage: 24V DC sink/source (20.4-28.8V range) | Input Current: 4mA per channel
• Output Type: Transistor outputs | Output Current: 0.5A per channel
• Operating Temperature: -40°C to +70°C | Protection: IP20
• Connection: Screw/spring clamp terminals | Response Time: 0.2ms signal delay

Applications & Integration

Primary Applications:

• Manufacturing automation requiring high-density I/O with flexible sensor interfacing
• Control systems with mixed NPN/PNP sensor configurations
• Industrial machinery requiring fast transistor switching for indicators and actuators

System Compatibility:

• All S7-1200 CPU models except CPU 1211C (requires signal modules)
• TIA Portal configuration with STEP 7 Basic programming environment
• Up to 8 modules per CPU with hot-swappable installation
• Standard 35mm DIN rail mounting with integrated connections

Quality & Compliance

• Status: Active Product (PM300) | Origin: Germany
• EAN: 6940408102002 | UPC: 887621216887
• RoHS Compliant: Since 15.03.2013 | WEEE: Take-back obligation applies
• REACH: Contains lead, lead oxide, and BPA above 0.1% w/w (safe when used as intended)

Package Contents

• 1 × SM 1223 Module (16 DI/16 DO Transistor), technical documentation, DIN rail hardware

Download existing graphical data for this product:

• Technical Datasheet
• Product Information Page
• SM 1223 Product Family
• TIA Portal Documentation
• Technical Specifications